查询词典 back-up copy

back to back method：反馈法

back span 反向间隔 | back to back method 反馈法 | back up protection 后备保护

back to back houses：背对背房屋

back surge 逆哩 | back to back houses 背对背房屋 | back up block 支撑块

Back-to-Back Devices：背对背装置

Back-propagation Network 倒传递网络 | Back-to-Back Devices 背对背装置 | Back-Up System 备份系统

You shut up：你给我闭嘴!闭嘴!闭嘴

Shut up! Shut up! Shut up!|闭嘴!闭嘴!闭嘴! | Come on, you shut up! Shut up! Shut up!|你给我闭嘴!闭嘴!闭嘴! | You shut up!|你闭嘴!

put/get sb's back up"=make sb angry：触怒某人,使之生气

He put his back into studying for the exam. 他为考试尽全力学习. | 6."put/get sb's back up"=make sb angry 触怒某人,使之生气 | What he did at the party put her back up. 他在舞会上的所做所为惹恼了她....

back up wall：背墙

back up block 支撑块 | back up wall 背墙 | back view 背视图

Back-up light：倒车灯

Back-up buzzer 倒车报警器 | Back-up light 倒车灯 | Back wall 后围

Back-up buzzer：倒车报警器

Back squab 靠垫 | Back-up buzzer 倒车报警器 | Back-up light 倒车灯

back-up valve：升压阀[在低的环境温度下,为了降低空冷式冷凝器的能力,以维护一定排气压力的设施]

back-up 备用品[零件,设备] ;支持[撑] | back-up valve 升压阀[在低的环境温度下,为了降低空冷式冷凝器的能力,以维护一定排气压力的设施] | back valve 单向阀,止回阀

back up chain tongs：咬定链钳

back twisting 反向加捻 | back up chain tongs 咬定链钳 | back up information 后备信息

decomposition voltage：分解电压

4 分散能力 throwing power | 5 分解电压 decomposition voltage | 6 不溶性阳极(惰性阳极) inert anode

MOD model：型号,样式,模型,典型的

MOD mode 状态,方式,模式 | MOD model 型号,样式,模型,典型的 | MOD modulation 调制